Dig deeper at SERNEC, a consortium of southeastern herbaria.
Learn more about Thuja from the Vascular Plants of North Carolina.
Spermatophytes (seed plants): Gymnosperms (non-flowering plants): Conifers: Cupressales
WEAKLEY'S FLORA (2/8/20):
Thuja occidentalis
FAMILY
Cupressaceae
SYNONYMOUS WITH
PLANTS NATIONAL DATABASE:
Thuja occidentalis
FAMILY
Cupressaceae
SYNONYMOUS WITH
VASCULAR FLORA OF THE CAROLINAS (Radford, Ahles, & Bell, 1968) 018-02-001:
Thuja occidentalis
FAMILY
Cupressaceae
SYNONYMOUS WITH
Manual of the Southeastern Flora (Small, 1933)
Thuja occidentalis
COMMON NAME:
American Arborvitae, Northern White Cedar, Flat Cedar, Eastern Arborvitae
Click or hover over the thumbnails to see larger pictures.
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JK Marlow jkm070629_002
June Spartanburg County SC
Hatcher Garden
Branchlets flattened in horizontal planes [T. orientalis's are vertical], per Weakley's Flora (2015).
COMPARE
conifers (not including Pines)
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JK Marlow jkm120830_299
August Henderson County NC
Holmes Educational Forest
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JK Marlow jkm120830_299b
August Henderson County NC
Holmes Educational Forest
The small branchlets look as if they had been ironed or pressed, per Vascular Flora of the Carolinas.
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JK Marlow jkm120830_299c
August Henderson County NC
Holmes Educational Forest
Leaves opposite, scale-like, in pairs (the side pairs keeled, others flat), per Native Trees of the Southeast, An Identification Guide.
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Keith Bradley kab_t_occidentalis_78573
August Quebec, Canada
)
Keith Bradley kab_t_occidentalis_78577
August Quebec, Canada
)
Keith Bradley kab_t_occidentalis_78578
August Quebec, Canada
)
Keith Bradley kab_t_occidentalis_78583
August Quebec, Canada
)
JK Marlow jkm090924_190
September Hancock County ME
Acadia National Park
)
JK Marlow jkm090924_198
September Hancock County ME
Acadia National Park
)
JK Marlow jkm090924_204
September Hancock County ME
Acadia National Park
Mature seed cones ~ 1/2" long, oblong, erect, initially yellowish-brown, per Native Trees of the Southeast, An Identification Guide.